Title
Effect of dynamical heating on microstructure and microhardness of Ni processed by high-pressure torsionEffect of dynamical heating on microstructure and microhardness of Ni processed by high-pressure torsion
Author
Publication type
article
Publication
Amsterdam,
Subject
Physics
Source (journal)
Materials letters. - Amsterdam
Volume/pages
60(2006):29-30, p. 3846-3850
ISSN
0167-577X
ISI
000242469000091
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The microstructures and microhardness of pure Ni processed by high-pressure torsion and their evolution upon dynamical heating from room temperature to 200 degrees C at a heating rate of 20 degrees C/min were investigated. The annealing resulted in further refinement of grains, formation of more fraction of high-angle grain boundaries (GBs), modification of state of GBs and ordering of dislocations. As a result of the microstructural optimization, the microhardness of the material was increased but not decreased after the dynamical heating. (c) 2006 Elsevier B.V. All rights reserved.
E-info
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